TY  - RPRT
TI  - Time-allocation, matching, and contrast.
AU  - C P Shimp
AU  - L Hawkes
PY  - 1974
DO  - 10.1901/jeab.1974.22-1
UR  - https://pubmed.ncbi.nlm.nih.gov/16811766/
ID  - 16811766
ER  -